Search a number
-
+
1220012000213 is a prime number
BaseRepresentation
bin10001110000001110011…
…000011100001111010101
311022122001201211001102112
4101300032120130033111
5124442041033001323
62332244335120405
7154100014616666
oct21601630341725
94278051731375
101220012000213
11430449a72046
12178543673105
138b07b604756
144309825536d
1521b06a27178
hex11c0e61c3d5

1220012000213 has 2 divisors, whose sum is σ = 1220012000214. Its totient is φ = 1220012000212.

The previous prime is 1220012000191. The next prime is 1220012000219. The reversal of 1220012000213 is 3120002100221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 666153057124 + 553858943089 = 816182^2 + 744217^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220012000213 - 28 = 1220011999957 is a prime.

It is a super-2 number, since 2×12200120002132 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220012000219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610006000106 + 610006000107.

It is an arithmetic number, because the mean of its divisors is an integer number (610006000107).

Almost surely, 21220012000213 is an apocalyptic number.

It is an amenable number.

1220012000213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220012000213 is an equidigital number, since it uses as much as digits as its factorization.

1220012000213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1220012000213 its reverse (3120002100221), we get a palindrome (4340014100434).

The spelling of 1220012000213 in words is "one trillion, two hundred twenty billion, twelve million, two hundred thirteen", and thus it is an aban number.